Rio Grande Southern 20 charges through The Cut with its passenger train on a sunny May morning.

BNSF 4601 (Dash 9) sits in the BNSF yard in Golden, Colorado.

Crew member Sam Kunugi poses between Rio Grande Southern 20 and Denver & Rio Grande Western 491 as the locomotives simmer in the roundhouse late at night.

BNSF 2371 (GP38-2) waits for orders with other BNSF power as they sit in the yard in Golden, Colorado.

Steam begins to envelop Denver & Rio Grande Western 491's running gear as the locomotive departs the No Agua Tank.

Rio Grande Southern #20 pulls passengers past the water tower at the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern #20 (4-6-0) runs passengers around the grounds of the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern engine #20 (4-6-0) runs the track at the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern engine #20 (4-6-0) runs passengers around the large grounds of the Colorado Railroad Museum located in Golden, Colorado.

A mix of standard gauge engines and narrow gauge rolling stock sit at the Colorado Railroad Museum in Golden, Colorado.

Rio Grande Southern #7 Galloping Goose gives riders a thrill of running in a unique piece of vintage railroad equipment.

Rio Grande Southern #20 (4-6-0) runs laps around the grounds at the Colorado Railroad Museum in Golden, Colorado.

The Colorado Railroad Museum in Golden, Colorado ran their Rio Grande Southern #20 (4-6-0) and their RGS Galloping Goose #7 over the weekend, giving rides to families and individual railfans.

Coors Brewery operates a number of vintage switchers in their massive yard in Golden, Colorado, including #998, a SW1001 built in the 1980's for the brewery.

Coors Critter #998 (SW1001) heads towards the brewery facility in Golden, Colorado.